You can use as reference LO90716.
I've already installed that fix following the instructions related and the issue is gone !
To troubleshoot this issue I got a huge help because I'm usually following the Skype chat related to IBM connections and some of the guys already have experience the issue so I've open the related PMR just after I've verified same behavior.
If you are working on IBM Connections I'm strong suggesting you to partecipate in this group chat using this link and you can have great support from a huge group !
There are several Skype chat available regarding IBM ICS Sw like Connections Cloud, IBM Domino, IBM Sametime, and others and you can get references reading this blog post from David Hablewitz .
Happy Holiday And HAPPY NEW YEAR !